Preventive medicine
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Preventive medicine · Dec 2014
Randomized Controlled Trial Multicenter StudyThe impact of Playworks on students' physical activity during recess: findings from a randomized controlled trial.
To evaluate the impact of Playworks on students' physical activity during recess. ⋯ Teachers in Playworks schools reported that students were more active during recess, but accelerometer and student survey measures showed either no impacts or marginally significant impacts.
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Preventive medicine · Dec 2014
Multicenter StudyAssociation of environment and policy characteristics on children's moderate-to-vigorous physical activity and time spent sedentary in afterschool programs.
Afterschool programs are an important setting in which to promote children's physical activity. This study examines the association of environmental and policy characteristics on the moderate-to-vigorous physical activity and sedentary behavior of children attending afterschool programs. ⋯ Findings indicate that policies and size of activity space had limited influence on moderate-to-vigorous physical activity and sedentary behavior, suggesting that a programmatic structure may be a more effective option to improve moderate-to-vigorous physical activity levels of children attending afterschool programs.